(19)
(11) EP 2 057 811 A1

(12)

(43) Date of publication:
13.05.2009 Bulletin 2009/20

(21) Application number: 07746704.1

(22) Date of filing: 25.05.2007
(51) International Patent Classification (IPC): 
H04L 27/26(2006.01)
(86) International application number:
PCT/KR2007/002556
(87) International publication number:
WO 2008/026819 (06.03.2008 Gazette 2008/10)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 28.08.2006 KR 20060081763

(71) Applicants:
  • Electronics and Telecommunications Research Institute
    Yuseong-gu Daejon 305-350 (KR)
  • SK Telecom. Co., Ltd.
    Seoul 100-999 (KR)
  • KTFreetel Co., Ltd.
    Songpa-gu, Seoul 138-240 (KR)

(72) Inventors:
  • CHANG, Kap-Seok
    Daejeon 302-210 (KR)
  • KIM, Il-Gyu
    Seoul 156-031 (KR)
  • KIM, Nam-Il
    Daejeon 305-761 (KR)
  • KIM, Young-Hoon
    Daejeon 305-340 (KR)
  • BANG, Seung-Chan
    Daejeon 302-280 (KR)

(74) Representative: Betten & Resch 
Patentanwälte Theatinerstrasse 8 (Fünf Höfe)
80333 München
80333 München (DE)

   


(54) APPARATUS FOR GENERATING DOWN LINK SIGNAL, AND METHOD AND APPARATUS FOR CELL SEARCH IN CELLULAR SYSTEM